John Glenn Columbus International Airport, is an international airport located 6mi east of downtown Columbus, Ohio, USA. Formerly known as Port Columbus International Airport, it is managed by the Columbus Regional Airport Authority, which also oversees operations at Rickenbacker International Airport and Bolton Field. The airport code 'CMH' stands for "Columbus Municipal Hangar," the original name for the airport.John Glenn Columbus International Airport is primarily a passenger airport. It provides 140 non-stop flights to 34 airports via 6 airlines daily. In 2016, traffic reached 7.3 million, which was a 8% increase over 2015. Traffic in 2017 is expected to surpass the record set in 2007.According to a 2005 market survey, Columbus attracts about 50% of its passengers from outside of its 60mi radius primary service region. In addition, the airport also handles freight and US mail, with 10,411,920 units of freight and 8,537,279 units of mail passing through in 2006.CMH is the largest passenger airport in central Ohio and second busiest in the state after Cleveland Hopkins International Airport and offers service to most major airline hubs.Accessing John Glenn Columbus International Airport by road is possible by two interstate highways: I-270 to the northeast and I-670 to the west. The main airport roadway, International Gateway, connects directly to I-670.